/// <summary>
/// Generates a collection of sql statements to insert the business
/// object's properties into the database
/// </summary>
/// <returns>Returns a sql statement collection</returns>
public IEnumerable <ISqlStatement> Generate()
{
_statements = new List <ISqlStatement>();
_currentClassDef = _bo.ClassDef;
IBOPropCol propsToInclude;
string tableName;
propsToInclude = GetPropsToInclude(_currentClassDef);
tableName = StatementGeneratorUtils.GetTableName(_bo);
GenerateSingleInsertStatement(propsToInclude, tableName);
if (_bo.ClassDef.IsUsingClassTableInheritance())
{
_currentClassDef = (ClassDef)_bo.ClassDef.SuperClassClassDef;
while (_currentClassDef.IsUsingClassTableInheritance())
{
propsToInclude = GetPropsToInclude(_currentClassDef);
tableName = _currentClassDef.TableName;
GenerateSingleInsertStatement(propsToInclude, tableName);
_currentClassDef = (ClassDef)_currentClassDef.SuperClassClassDef;
}
propsToInclude = GetPropsToInclude(_currentClassDef);
tableName = _currentClassDef.InheritedTableName;
GenerateSingleInsertStatement(propsToInclude, tableName);
}
return(_statements);
}
/// <summary>
/// Generates a collection of sql statements to delete the business
/// object from the database
/// </summary>
/// <returns>Returns a sql statement collection</returns>
public IEnumerable <ISqlStatement> Generate()
{
var statements = new List <ISqlStatement>();
//AddRelationshipDeleteStatements(statementCollection);
SqlStatement deleteSql = new SqlStatement(_connection);
deleteSql.Statement = new StringBuilder(
@"DELETE FROM " + _connection.SqlFormatter.DelimitTable(StatementGeneratorUtils.GetTableName(_bo)) +
" WHERE " + StatementGeneratorUtils.PersistedDatabaseWhereClause((BOKey)_bo.ID, deleteSql));
statements.Add(deleteSql);
IClassDef currentClassDef = _bo.ClassDef;
while (currentClassDef.IsUsingClassTableInheritance())
{
while (currentClassDef.SuperClassClassDef.SuperClassDef != null &&
currentClassDef.SuperClassClassDef.SuperClassDef.ORMapping == ORMapping.SingleTableInheritance)
{
currentClassDef = currentClassDef.SuperClassClassDef;
}
deleteSql = new SqlStatement(_connection);
deleteSql.Statement.Append(
"DELETE FROM " +
_connection.SqlFormatter.DelimitTable(currentClassDef.SuperClassClassDef.TableName) +
" WHERE " +
StatementGeneratorUtils.PersistedDatabaseWhereClause(BOPrimaryKey.GetSuperClassKey((ClassDef)currentClassDef, _bo), deleteSql));
statements.Add(deleteSql);
currentClassDef = currentClassDef.SuperClassClassDef;
}
return(statements);
}
/// <summary>
/// Generates a collection of sql statements to update the business
/// object's properties in the database
/// </summary>
/// <returns>Returns a sql statement collection</returns>
public IEnumerable <ISqlStatement> Generate()
{
_statements = new List <ISqlStatement>();
IBOPropCol propsToInclude;
string tableName;
ClassDef currentClassDef = _bo.ClassDef;
while (currentClassDef.IsUsingClassTableInheritance())
{
var superClassClassDef = (ClassDef)currentClassDef.SuperClassClassDef;
propsToInclude = GetPropsToInclude(superClassClassDef);
if (propsToInclude.Count > 0)
{
tableName = superClassClassDef.InheritedTableName;
GenerateSingleUpdateStatement(tableName, propsToInclude, true, currentClassDef);
}
currentClassDef = superClassClassDef;
}
propsToInclude = GetPropsToInclude(_bo.ClassDef);
tableName = StatementGeneratorUtils.GetTableName(_bo);
GenerateSingleUpdateStatement(tableName, propsToInclude, false, _bo.ClassDef);
return(_statements);
}
